Single-Unit Truck | Bus - 20' WB

Dimensioned drawing showing the requirements for multiple turning angles of a Single Unit Truck or Bus with 20' wheelbase

The turning path of a Single-Unit Truck or Bus measures the minimum possible turning radius necessary for performing a u-turn in a vehicle with a 20’ | 6.1 m wheelbase. Measuring the inner and outer radii of the 180° turn, a minimum inner radius of 28’4” | 8.64 m and minimum outer radius between 42’-43.5’ | 12.8-13.26 m should be provided for single-unit trucks and buses.

The turning path of a Single-Unit Truck or Bus measures the minimum possible turning radius necessary for performing a u-turn in a vehicle with a 20’ | 6.1 m wheelbase. Measuring the inner and outer radii of the 180° turn, a minimum inner radius of 28’4” | 8.64 m and minimum outer radius between 42’-43.5’ | 12.8-13.26 m should be provided for single-unit trucks and buses.

Common Questions
What is the minimum inside turning radius required for a bus?
A minimum inner turning radius of 28’4” | 8.64 m should be provided for a bus or single-unit truck making a 180° turn.

What is the minimum outside turning radius required for a bus making a 180° turn?
The outer turning radius necessary for a bus or single-unit truck making a a 180° turn should be between at least 42’-43.5’ | 12.8-13.26 m.
How big is a typical city bus?
The average city bus varies in length between 35’-45’ | 10.7-13.7 m with widths between 8’-8’6” | 2.4-.6 m.

Details

*Under Development*

Outer Radius: 42’-43.5’ | 12.8-13.26 m
Inner Radius: 28’4” | 8.64 m

Vehicle Wheelbase: 20’ | 6.1 m
Vehicle Length: 30’ | 9.15 m
Vehicle Width: 8’ | 2.44 m

Drawings include:
Single Unit Truck | Buses (20' Wheelbase) Turning Paths plan

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